Automation System
If the transient response of a system is overdamped:

None of these
the value of the output never stabilizes.
the value of the output exceeds the value of the input at times during the transient period.
All of these
the value of the output never exceeds the value of the input during the transient period.

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Automation System
Programmable controllers:

(a) and (c) above
are programmed using relay ladder logic
None of these
are widely used in many different industries
cannot perform functions other than relay logic

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Automation System
An aneroid barometer

can measure only atmospheric pressure
is very unreliable
measures pressure by sensing deflection of an evacuated chambers.
None of these
can be used to measure gas or liquid flow rates

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